Atika Capital Management
Atika Capital Management reported 62 stocks worth $1B in its 13F filing for Q2 2026, filed Aug 13, 2026. Its largest holdings are VRT (22.1%), STX (7.7%) and AMD (5.5%). Compared with Q1 2026, the fund opened new positions in AMD, INTC and VPG, added to STX, ECHO and GH, trimmed WDC, MTZ and COGT and sold out of NET, GOOG and GDX.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  VRT Vertiv Holdings Co | $223M | 22.1% | 666K | No change | 8 of 8 | |
| 2 |  STX Seagate Technology Hldngs PL | $77.1M | 7.7% | 80K | +26K (+49%) | 4 of 8 | |
| 3 |  AMD Advanced Micro Devices Inc | $55.5M | 5.5% | 96K | New position | 2 of 8 | |
| 4 |  LLY Eli Lilly & Co | $49.3M | 4.9% | 41K | No change | 8 of 8 | |
| 5 |  INTC Intel Corp | $36.9M | 3.7% | 264K | New position | 1 of 8 | |
| 6 |  ECHO Echostar Corp | $33.6M | 3.3% | 331K | +149K (+82%) | 7 of 8 | |
| 7 |  GH Guardant Health Inc | $27.2M | 2.7% | 181K | +90K (+99%) | 6 of 8 | |
| 8 |  CIEN Ciena Corp | $23.9M | 2.4% | 49K | +5,117 (+12%) | 4 of 8 | |
| 9 |  ISRG Intuitive Surgical Inc | $22.8M | 2.3% | 57K | No change | 8 of 8 | |
| 10 |  VPG Vishay Precision Group Inc | $17.7M | 1.8% | 118K | New position | 1 of 8 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
TERNS PHARMACEUTICALS INC | $15.8M | 300K |
 NET Cloudflare Inc | $13.4M | 65K |
 GOOG Alphabet Inc | $12.4M | 43K |
 GDX Vaneck ETF Trust | $7.3M | 80K |
 UTHR United Therapeutics Corp Del | $7.3M | 12K |
🔒 Free account: see all 19.
Options
valued at the underlying shares| Stock | Type | Value | Shares | Change |
|---|---|---|---|---|
 XBI Spdr Series Trust | Put | $89M | 5,625 | +1,400 |
 QQQ Invesco Qqq TR | Put | $73.6M | 1,000 | +1,000 |
 GEV GE Vernova Inc | Put | $58.7M | 500 | +500 |
 AMZN Amazon Com Inc | Call | $52.9M | 2,220 | +2,220 |
QQQ Invesco Qqq TR | Call | $48.6M | 660 | +660 |
🔒 Free account: see all 19.
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Aug 13, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Atika Capital Management 13F FAQ
What does Atika Capital Management own?
Atika Capital Management reported 62 stocks worth $1B in its 13F filing for Q2 2026, filed Aug 13, 2026. Its largest holdings are VRT (22.1%), STX (7.7%) and AMD (5.5%). The table above lists every position in the filing (the top 10 without an account).
What did Atika Capital Management buy and sell in Q2 2026?
Compared with Q1 2026: 29 new positions, 13 added to, 11 trimmed and 19 sold out. New positions include AMD, INTC and VPG. It sold all of NET, GOOG and GDX.
When will Atika Capital Management file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is Atika Capital Management's portfolio worth?
The Q2 2026 filing reports $1B in US stocks ($1.5B including options). That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.